rich1.0McCoy (npub18y…qx5t7)https://nostr.ae/npub18y33vpqmudzm9wk9cnglgnrhqyu96c4l4tr59k2zw0gs5ep5a2kqjqx5t7njumphttps://nostr.aeBIP45 doesn’t introduce a new extended key prefix because: It works with standard xpubs (or ypubs/zpubs if the multisig is wrapped in SegWit or native SegWit, though BIP45 itself was designed around P2SH). It’s a layer above key format. The xpub/ypub/zpub tells you what address type the key produces; BIP45 tells you how multiple people agree on which addresses to produce.